.offers-page {
  --bg: #f7f7f2;
  --paper: #fff;
  --ink: #232826;
  --muted: #625b56;
  --brand: #c2410c;
  --line: #e7e2dc;
  --control-line: #c5bab1;
  --brand-tint: #fff1e8;
  --brand-line: #eab79f;
  --accent: #a33d2e;
  --radius: 6px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  min-height: 100vh;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

.offers-page .wrap { width: min(1000px, calc(100% - 40px)); }
.offers-page button,
.offers-page input,
.offers-page select { min-height: 40px; border-radius: var(--radius); }
.offers-page button { font-weight: 550; }
.offers-page button.soft { border-color: var(--control-line); }
.offers-page button.soft[aria-pressed="true"] {
  background: var(--brand-tint);
  color: var(--brand);
  border-color: var(--brand-line);
}
.offers-page input,
.offers-page select { border-color: var(--control-line); }
.offers-page :focus-visible,
.offers-page :is(input, select):focus { outline: 2px solid var(--brand); outline-offset: 2px; }

.offers-page .top {
  display: grid;
  grid-template-columns: auto minmax(0, 440px) auto;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: 72px;
}

.offers-page .brand { min-width: 0; font-size: 20px; }
.offers-page [data-brand-name] { overflow: hidden; text-overflow: ellipsis; }
.offers-page .brand [data-brand-mark] {
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  font-size: 18px;
}

.offers-page .search { gap: 0; max-width: none; }
.offers-page .search input { width: 100%; border-radius: var(--radius) 0 0 var(--radius); }
.offers-page .search input:focus { position: relative; }
.offers-page .search button {
  flex: none;
  border-radius: 0 var(--radius) var(--radius) 0;
}
#favorites { justify-self: end; white-space: nowrap; }

.offers-page .tabs { gap: var(--space-5); }
.offers-page .tabs a {
  min-height: 44px;
  padding: var(--space-2) var(--space-1);
  border-bottom-width: 2px;
  font-weight: 500;
}
.offers-page .tabs a:hover,
.offers-page .tabs a[aria-current="page"] { color: var(--brand); }
.offers-page .tabs a[aria-current="page"] { font-weight: 650; }

.results-heading {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin: var(--space-6) 0 var(--space-4);
}
.results-heading h1 { margin: 0; font-size: clamp(23px, 4vw, 28px); line-height: 1.35; }
#count { color: var(--muted); font-size: 14px; overflow-wrap: anywhere; }

.offer-list { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.subcategories {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  overflow-x: auto;
  padding: var(--space-2) var(--space-5);
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}
.subcategories:empty { display: none; }
.offers-page .subcategories button {
  flex: none;
  padding: 0 var(--space-3);
  color: var(--muted);
  background: transparent;
}
.offers-page .subcategories button:is(:hover, [aria-pressed="true"]) { background: var(--brand-tint); color: var(--brand); }
.offers-page .subcategories button[aria-pressed="true"] { border-color: var(--brand-line); font-weight: 650; }

.toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--line);
}
.offer-filters, .sort-control { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-2); }
.offer-filters:empty { display: none; }
.toolbar select { max-width: min(240px, 100%); font-size: 14px; }
.sort-control { margin-inline-start: auto; color: var(--muted); font-size: 14px; }
.offers-page .text-button { background: transparent; color: var(--brand); }
.offers-page .text-button:hover { background: var(--brand-tint); }

.offer-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  column-gap: var(--space-5);
  row-gap: var(--space-2);
  padding: var(--space-5);
}
.offer-row + .offer-row { border-top: 1px solid var(--line); }
.offer-row h2 { margin: 0; font-size: 18px; line-height: 1.45; }
.offer-title { color: var(--ink); text-decoration: none; overflow-wrap: anywhere; }
.offer-title:hover { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
.offer-summary { grid-column: 1 / -1; margin: 0; overflow-wrap: anywhere; }
.offer-meta {
  grid-column: 1 / -1;
  display: flex;
  gap: var(--space-1) var(--space-4);
  flex-wrap: wrap;
  padding: 0;
  margin: 0;
  list-style: none;
  color: var(--muted);
  font-size: 13px;
}
.offer-meta li { max-width: 100%; overflow-wrap: anywhere; }
.offer-reward { color: var(--accent); margin: var(--space-1) 0 0; font-weight: 700; overflow-wrap: anywhere; }
.offer-meta .ending-soon { color: var(--accent); font-weight: 650; }
.offers-page .save-offer { padding: 0 var(--space-3); font-size: 14px; }
.offer-empty { padding: var(--space-6) var(--space-4); text-align: center; color: var(--muted); }
.offer-empty p { margin: 0; }
.offer-empty button { margin-top: var(--space-2); }
.offers-page #more { margin: var(--space-4) auto 0; display: block; }
.offers-page .footer { padding: var(--space-5) 0; }

#detail {
  width: min(680px, calc(100% - 32px));
  max-height: min(86dvh, 760px);
  padding: 0;
  border-radius: var(--radius);
  overscroll-behavior: contain;
}
.offers-page:has(#detail[open]) { overflow: hidden; }
#detail::backdrop { background: #232826cc; }
.detail-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: var(--space-4) var(--space-5);
}
.detail-header h2 { margin: 0; font-size: 21px; line-height: 1.4; overflow-wrap: anywhere; }
#detail-content { padding: var(--space-5); }
#detail-content > :first-child { margin-top: 0; }
#detail-content .offer-reward { font-size: 20px; }
.detail-meta {
  margin: 0 0 var(--space-5);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.detail-meta div { display: grid; grid-template-columns: 5em minmax(0, 1fr); gap: var(--space-2); }
.detail-meta div + div { margin-top: var(--space-1); }
.detail-meta dt { color: var(--muted); }
.detail-meta dd { margin: 0; overflow-wrap: anywhere; }
.detail-section + .detail-section { margin-top: var(--space-5); }
.detail-section h3 { margin: 0 0 var(--space-1); font-size: 16px; }
.detail-section p { margin: 0; }

@media (max-width: 640px) {
  .offers-page .wrap { width: calc(100% - 28px); }
  .offers-page .top {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-2) var(--space-3);
    padding-top: var(--space-2);
  }
  .offers-page .search { grid-column: 1 / -1; grid-row: 2; }
  #favorites { grid-column: 2; grid-row: 1; }
  .offers-page .tabs { gap: var(--space-3); }
  .results-heading { margin: var(--space-5) 0 var(--space-3); }
  .subcategories, .toolbar { padding-inline: var(--space-3); }
  .subcategories { gap: var(--space-1); }
  .offers-page .subcategories button { padding-inline: var(--space-2); }
  .offer-filters { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; }
  .toolbar select { max-width: 100%; }
  .sort-control { flex-wrap: nowrap; }
  .offer-row { padding: var(--space-4) var(--space-3); column-gap: var(--space-2); }
  .detail-header, #detail-content { padding: var(--space-4); }
}